Futaba 8SGAP User Manual download pdf (Page 33)

•AIRCRAFT WITH FLAPS AND SPOILERS(AIRBRAKE)

Connect the Flap servo to CH6 and the Spoiler

servo to CH7 on the Receiver. Set Switch [32]

to

ON.

Fig.

62

Set Control Switch 10 to ON and adjust the

flaps as shown in Fig. 62 with Trimmer 20.

Adjust the spoiler servo travel with Memory

ATV Trimmers [46] and [47]. (See Page 17)

When used in this manner, flaps and spoilers

will be deployed simultaneously to the pre-set

positions when Switch 10 is set to ON. This

acts as an airbrake. NOTE: In this mode, the

Spoiler Knob 7 will be inoperative and its

function transfered to Switch 10 . Alternative-

ly, Switch 32 can be set to CH7 OFF and Knob

7 used for spoiler control.

Elevator Trimmer 19 can be adjusted if neces-

sary so that the aircraft maintains level flight

with the airbrake deployed.

•FLAP TRIM FUNCTION

FLAP TRIM

• Flap Switch 18 on the trimmer panel can be set

to TRIM position to provide a finer adjustment

if desired. (This may not be possible however, if

wider angles are needed for other flap func-

tions.)

Knob 6 throw selector. In the

NORM position, wide throw is

selected and in the TRIM position,

narrow throw is selected.

Flap Neutral can be adjusted

during flight using the CH6

Flap Knob 6 .

•This is helpful in making

pitch axis trim adjustments for knife

edge and vertical maneuvers.

•This

function

can

be

used

whether

Mixing Switches 10 and 12 are ON

or

OFF.

AUTOMATIC AIR BRAKING (THROTTLE STICK OPERATION)

•This

feature

permits

automatic

deployment

of

the airbrake (flaps and elevator or flaps, spoilers,

and elevator) as the throttle stick is lowered.

SLOW

Fig.

66

When the throttle is again moved to HIGH, the

airbrakes are retracted automatically. Operation

in this manner is very efficient as it allows the

use of the airbrake function while leaving the

pilot

free

to

concentrate

on the

primary

con-

trols.

Set Switch [32] to INHIB and Switch [33] to

ACT. Monitor Lamp B comes on.

Set Control Switch 1 1 to ON. Lamp B blinks.

Trimmer 8 is used to set the throttle stick

position at which the airbrake is deployed.

Deployment at one or two stops from the maxi-

mum Slow position is usually the most suitable.

The Auto Airbrake function can be turned ON

and OFF in flight by using Control Switch II .

• The Automatic Air Brake Function is very useful

for slowing the aircraft during maneuvers and

landing approaches. When executing a "go

around" for a missed approach, the airbrake will

be immediately released as the throttle is moved

to HIGH.

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